Accessibility options

Switch to preferred accessibility theme:


Increase or decrease the text size:

  • Internet Explorer: View > Text Size > Largest

Keyboard navigation and access keys:

  • A - Accessibility options
  • 0 - Skip navigation
  • 1 - Home
  • 2 - Alexandrite chapters
  • 3 - Alexandrite directory
  • 4 - Alexandrite forums
  • 5 - Alexandrite gemstones
  • 6 - Alexandrite localities
  • 7 - Contact information
  • 8 - About Alexandrite Guide
  • 9 - Sitemap
  • Press ALT + Access Key, then ENTER.

Close

Alexandrite

Tsarstone collectors guide


Ultraviolet absorption

Ultraviolet absorption
When ultraviolet light transmit through a colored gemstone, due to colored sample certain wavelengths are absorbed more strongly than others. When the spectrum is passed through the medium into a testing spectroscope, the colors most strongly absorbed may show as dark bands or finer lines.
Bibliographic details
Page title Definition of Ultraviolet absorption
Author David Weinberg
Website title Alexandrite Tsarstone Collectors Guide
Date published 03 July 2010 04:43 UTC
Date accessed 23 October 2014 01:44 UTC
Permanent link http://www.alexandrite.net/viewpage.html?id=GG-080-00003
AMA style
David Weinberg. "Definition of Ultraviolet absorption". In Alexandrite Tsarstone Collectors Guide. July 03, 2010, 04:43 UTC. Available at: http://www.alexandrite.net/viewpage.html?id=GG-080-00003. Accessed October 23, 2014.
APA style
"Definition of Ultraviolet absorption". (2010, July 03). In Alexandrite Tsarstone Collectors Guide. Retrieved 01:44, October 23, 2014, from http://www.alexandrite.net/viewpage.html?id=GG-080-00003.
Bluebook style
"Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003 (last visited October 23, 2014).
Bluebook: Harvard JOLT style
See Alexandrite Tsarstone Collectors Guide, "Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003 (When ultraviolet light transmit through a colored gemstone, due to colored sample certain wavelengths are absorbed more strongly than others. When the spectrum is passed through the medium into a testing spectroscope, the colors most strongly absorbed may show as dark bands or finer lines.) (as of Oct. 23, 2014, 01:44 GMT).
CBE/CSE style
David Weinberg. "Definition of Ultraviolet absorption". In Alexandrite Tsarstone Collectors Guide. 2010 Jul 03, 04:43 UTC.[Internet], Alexandrite Tsarstone Collectors Guide; 2010 Jul 03, 04:43 UTC [cited 2014 Oct 23]. Available from: http://www.alexandrite.net/viewpage.html?id=GG-080-00003.
Chicago style
David Weinberg, "Definition of Ultraviolet absorption", http://www.alexandrite.net/viewpage.html?id=GG-080-00003, (accessed October 23, 2014).
MLA style
"Definition of Ultraviolet absorption". Alexandrite Tsarstone Collectors Guide. 03 Jul 2010, 04:43 UTC. 23 Oct 2014 http://www.alexandrite.net/viewpage.html?id=GG-080-00003
MHRA style
David Weinberg, "Definition of Ultraviolet absorption", Alexandrite Tsarstone Collectors Guide, 03 July 2010, 04:43 UTC, http://www.alexandrite.net/viewpage.html?id=GG-080-00003 [accessed 23 October 2014].
Close options details